MIL-S-8879C (NOTICE 1)
作者:标准资料网 时间:2024-05-14 16:56:10 浏览:8001
来源:标准资料网
MIL-S-8879C (NOTICE 1), MILITARY SPECIFICATION: SCREW THREADS, CONTROLLED RADIUS ROOT WITH INCREASED MINOR DIAMETER, GENERAL SPECIFICATION FOR (14 MAY 1997) [S/S BY SAE-AS8879]., MIL-S-8879C, dated 25 July 1991,and AMENDMENT 1, dated 2September 1992, are inactive. Department of Defense (DoD)organizations may only use MIL-S-8879 for reprocurement ofpreviously designed items.NOTE : DoD will not maintain the technical contents of MIL-S-8879.
【英文标准名称】:StandardGuideforUseofTestKitstoMeasureInorganicConstituentsinWater
【原文标准名称】:水中无机成分测量用整套试验工具使用的标准指南
【标准号】:ASTMD5463-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:D19.05
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:
【英文主题词】:inorganicanalysis;kits;testkits;wastewater;water;Analytes;Chemicalanalysis--waterapplications;Inorganicchemicalanalysis--water;Inorganiccompounds--water;Quantitativeanalysis/measurement--water;Testingmethods--water;Wastewatertest
【摘要】:Inorganicconstituentsinwaterandwastewatermustbeidentifiedandmeasuredtosupporteffectivewaterqualitymonitoringandcontrolprograms.Currently,oneofthesimplest,mostpracticalandcosteffectivemeansofaccomplishingthisisthroughtheuseofchemicaltestkitsandrefills.AmoredetaileddiscussionispresentedinASTMSTP1102.Testkitshavebeenacceptedformanyapplications,includingroutinemonitoring,compliancereporting,rapidscreening,troubleinvestigation,andtrackingcontaminantsource.Testkitsoffertime-savingadvantagestotheuser.Theyareparticularlyappropriateforfielduseandusuallyareeasytouse.Usersdonotneedtohaveahighleveloftechnicalexpertise.Relativelyunskilledstaffcanbetrainedtomakeaccuratedeterminationsusingkitsthatincludeapremixedliquidreagent,premeasuredreagent(tablets,powders,orglassampoules),andpremeasuredsample(evacuatedglassampoules).1.1Thisguidecoversgeneralconsiderationsfortheuseoftestkitsforquantitativedeterminationofanalytesinwaterandwastewater.Testkitsareavailablefromvariousmanufacturersforthedeterminationofawidevarietyofanalytesindrinkingwater,surfaceorgroundwaters,domesticandindustrialfeedwatersandwastes,andwaterusedinpowergenerationandsteamraising.SeeTable1foralistingofsomeofthetypesofkitsthatareavailableforvariousinorganicanalytesinwater.1.2Ranges,detectionlimits,sensitivity,accuracy,andsusceptibilitytointerferencesvaryfromkittokit,dependingonthemethodologyselectedbythemanufacturer.Insomecases,kitsaredesignedtoreplicateexactlyanofficialtestmethodofastandard-settingorganizationsuchastheAssociationofOfficialAnalyticalChemists(AOAC),AmericanPublicHealthAssociation(APHA),ASTM,ortheU.S.EnvironmentalProtectionAgency(USEPA).Inothercases,minormodificationsofofficialtestmethodsaremadeforvariousreasons,suchastoimproveperformance,operatorconvenience,oreaseofuse.Adjustmentsmaybemadetosamplesize,reagentvolumesandconcentrations,timing,anddetailsoftheanalyticalfinish.Inyetothercases,majorchangesmaybemadetotheofficialtestmethod,suchastheomissionofanalyticalsteps,changeoftheanalyticalfinish,omissionofreagents,orsubstitutionofonereagentforanother.Reagentsintestkitsareoftencombinedtoobtainafewernumberandmakethetesteasiertouse.Additivesmayalsobeusedtominimizeinterferencesandtomakethereagentmorestablewithtime.Akittestmethodmaybebasedonacompletelydifferenttechnology,notapprovedbyanyofficialorstandard-settingorganization.Combinationsoftestkitsx2014;multi-parametertestkitsx2014;maybepackagedtosatisfytherequirementsofaparticularapplicationconveniently.Thetestkitsinsuchcombinationproductsmaybeusedtomakedozensofdeterminationsofseveralparameters.1.3Testkitreagentrefillsarecommonlyavailablefrommanufacturers.Refillspermitcostsavingsthroughreuseofthemajortestkitcomponents.1.4Becauseofthewidedifferencesamongkitsandmethodologiesfordifferentanalytes,universalinstructionscannotbeprovided.Instead,theusershouldfollowtheinstructionsprovidedbythemanufacturerofaparticularkit.1.5Atestkitorkitcomponentshouldnotbeusedafterthemanufacturer''sexpirationdate;itistheuser''sresponsibilitytodeterminethattheperformanceissatisfactory.1.6ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.7Thisstandarddoesnotpurporttoaddressallofthesafet......
【中国标准分类号】:Z16
【国际标准分类号】:13_060_50
【页数】:5P.;A4
【正文语种】:英语
【英文标准名称】:ElectromagneticcompatibilityandRadiospectrumMatters(ERM)-Telecommunicationnetworkequipment-ElectroMagneticCompatibility(EMC)requirements(V1.4.1).
【原文标准名称】:电磁兼容性和射频频谱情况(ERM).电信网络设备.电磁兼容性(EMC)要求(V1.4.1)
【标准号】:NFZ84-386-2010
【标准状态】:作废
【国别】:法国
【发布日期】:2010-01-01
【实施或试行日期】:2010-01-16
【发布单位】:法国标准化协会(FR-AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:
【中国标准分类号】:L06
【国际标准分类号】:33_100_01
【页数】:58P;A4
【正文语种】:其他
